Highway barrier



FIG. 1 is a perspective view of a highway barrier showing my new design;

FIG. 2 is a left side, elevational view of the highway barrier shown in FIG. 1;

FIG. 3 is a right side, elevational view of the highway barrier shown in FIG. 1;

FIG. 4 is a front, elevational view of the highway barrier shown in FIG. 1;

FIG. 5 is a top, plan view of the highway barrier shown in FIG. 1; and,

FIG. 6 is a bottom, plan view of the highway barrier shown in FIG. 1. 

The ornamental design for a highway barrier, as shown and described. 